Attribute | Radeon R9 270 × | Radeon HD 7870 XT × |
---|---|---|
GPU | ||
Release year (year) | 2013 | 2012 |
GPU brand | AMD | AMD |
GPU name | Curacao | Tahiti LE |
Market | Desktop | Desktop |
Clock speed (MHz) | 900 | 925 |
Turbo clock speed (MHz) | 925 | 975 |
Is dual GPU | - | - |
Model | Radeon R9 270 | Radeon HD 7870 XT |
Memory | ||
Memory (MB) | 2,048 | 2,048 |
Memory bandwidth (GB/s) | 179.2 | 192 |
Memory bus (bit) | 256 | 256 |
Memory type | GDDR5 | GDDR5 |
Memory clock speed (MHz) | 1,400 | 1,500 |
Effective memory clock speed (MHz) | 5,600 | 6,000 |
Noise and power | ||
TDP (W) | 150 | 185 |
Raw performance | ||
Pixel rate (GPixel/s) | 29.6 | 31.2 |
Render output processors | 32 | 32 |
Texture mapping units | 80 | 96 |
Shading units | 1,280 | 1,536 |
Floating-point performance (GFLOPS) | 2,368 | 2,995 |
Compute units | 20 | 24 |
Texture rate (GTexel/s) | 74 | 93.6 |
Benchmarks | ||
1↑Metro: Last Light | - | 79.5 |
Battlefield 3 | - | 72 |
Crysis 3 | 74 | - |
Battlefield 4 | 65 | - |
Face detection (mPixels/s) | 57.24 | 65.4 |
T-Rex (GFXBench 3.0) | 3359.76 | 3350.68 |
Manhattan (GFXBench 3.0) | 3717.7 | 3705.76 |
Bitcoin mining (mHash/s) | 251.26 | 345.79 |
Sky Diver Factor | 312.65 | 314 |
Fire Strike Factor | 49.6 | 47.56 |